Liebert GXT2 User's Manual
Contents
1. aire bypass EEE bypass Breaker ypa UPS o Ga 5 Electronic Utility __ ___o _ Rectifier Tete en Le Load Utility Breaker Switch Maintenance switch Hd ien ELAK te 1 e k a EO Sl Master UPS gt iF To Battery Battery Groupl Group 2 DEA e rdi Figure 1 2 hot standby system 1 4 Features GXT2 3X1 Series Three phase input Single phase output 10kVA 15kVA 20kVA UPS is an advanced intelligent Online with Sinusoidal waveform output UPS system The system adopts high frequency double conversion topology structure with high input power factor wide input voltage range with the following Key features Digital Signal Processing DSP Controlled Self diagnostic Sa Intelligent battery management LCD amp LED annunciation Static by pass Maintenance bypass Large internal charger E1 20010329 C 1 0 UPS can operate with loss of input phases up to 2 phases Chapter 2 Installation 9 Chapter 2 Installation 2 1 Unpacking Inspection 1 Unpack the packing box to move the UPS to position be careful not to drop it as it is heavy 2 In the event of product damage due to transportation please notify Liebert or its authorized agent 2 2 Outline and Panel Description 2 2 1 Outline zt Supporting caster N _ Adjustable Footpad Figure 2 1 UPS Front view E1 20010329 C 1 0 10 Chapter 2 Installation LTN e L ra re Air inlet holes2. 3 2 3 Manual Battery Self testing When in Normal mode provided that the Utility voltage is normal no overload exists and the battery voltage is not lower than 240V battery test can be conducted by pressing button on the LCD panel press and hold the ON SILENCE button for 4 seconds a beep is heard 3 times and then release the button 3 seconds later the battery test begins the battery indicator turns on and the buzzer beeps as in Battery mode After battery test the buzzer stops beeping the battery indicator goes off and the displays on the panel indicators restore to the state prior to test When battery fault is detected no battery faulty battery or battery reverse connection during test the fault indicator turns on and the LCD screen displays BATTERY FAIL as shown in Fig 3 10 b OUTPUT VOLT 220 0V Battery Fault Figure 3 10 a Figure 3 10 b E1 20010329 C 1 0 Chapter 3 Operation 25 Note After battery test the battery state information will be refreshed In the event of battery fault due to the battery not bang fully charged is detected during test user may re test the battery after fully charging it to confirm that the fault is removed 3 2 4 Turn off the Inverter 1 When the system has Utility input and the Utility is normal press and hold the OFF button for about 1 second then a beep is heard the inverter indicator goes off and the bypass indicator turn on as shown in Fig 3 11 indicatin
3. 10kVA 15kVA 20kVA GXT2 3X1 GXT2 3X1 GXT2 3X1 0200L 0100L 0150L 120 253Vac non ECO mode gt 89 gt 89 interrupt time Utility Failure Transferring between inverter and Bypass Synchronized Voltage transient response Audible Noise At the Resistive Load from 0 100 or 100 0 the Output dynamic voltage change range is lower than 5 Rated Voltage Transient recovery time is less than 60ms lt 55dB 1m lt 60dB 2m Display Safety Highest Input Voltage Immunity LCD Passed CCEE certification complied with EN60950 and EN50091 1 Line Voltage 554Vac 1 hour static Conduction EN55022 Class A Radiation EN55022 Class A Harmonic current THD lt 25 With input isolated transformer connected EN61000 4 2 3 4 5 6 8 11 Level Ill DC offset MTBF Inverter MTBF System Lower than 500mVdc 30000 hours ambient temperature is 25 C rated condition 150000 hours Response time maintenance time should be less than 24 hours MTTR Board Maintenance 1 hour Board Maintenance Insulation Resistance gt 2MW 500Vdc dielectric Strength Surge Protection C Output to earth Input to earth 2820Vdc leakage current lt 3 5mA 1min with no arc and breakdown Satisfy the IV type of IEC60664 1 that is the ability to withstand 1 2 50uS 8 20uS exceeds 6kV 3kA Protection Level IP21 E1 20010329 C 1 0 Appendix 3 Product Specification 41 Capacity 10kVA 15KVA 2
4. It can be included in monitoring system defined by users Heat Dissipation and Used for heat dissipation and ventilation of UPS ventilation holes 2 3 Installation 2 3 1 Important Note 1 Please position the UPS on the flat ground surface 2 The distance from the rear and side panels ofthe UPS to the wall or other equipment should be greater than 20cm and the air inlets on the front panel and at the bottom of the UPS should be kept unobstructed to facilitate ventilation and heat dissipation 3 Please ensure that the UPS is installed in an environment in compliance with UPS environmental specification 4 Avoid using the UPS in dusty or corrosive environment 5 Even ifthe UPS is shutdown there could be high voltage inside untrained personnel must not open the UPS as there may be danger of electric shock 6 Install four pole or three pole interactive circuit breaker with capacity higher than 80A suitable for 10kVA system or 125A for 15kVA 20kVA system on the hot line of Three phase utility input to isolate the input source in case of emergency When using three pole interactive circuit breaker utility neutral line need not go through the circuit breaker and can be connected with UPS neutral line directly 7 Please use right cable connection method to ensure the safety of UPS or customer equipment Input hot output hot U line Wee Ww Input neutral BE ZE neutral line N 4 pole Interactiv
5. When the UPS operates in Battery mode the battery indicator and inverter indicator on the LCD panel turns green as shown in Fig 3 3 accompanied with a beep every 3 seconds giving alarm that the UPS is operating in Battery mode OUTPUT VOLT 220 0V Figure 3 3 In Battery mode when the battery voltage is low the preset level there will be a beep every 1 second and the LCD screen displays BATTERY LOW SHUTDOWN IMMINENT Note E1 20010329 C 1 0 Chapter 3 Operation 21 Although the battery had been fully charged at factory before delivery the transport and storage may result in loss of capacity hence charging the battery for 8 hours is required before installing the UPS so as to ensure adequate battery backup time 3 1 4 ECO Mode ECO mode is the economic operation mode For the load equipment which is less critical users can select ECO mode to power the equipment to reduce the power consuming When the bypass voltage is normal the bypass powers the load and the inverter supplies no load bypass indicator on the Control Panel is on green as shown in Figure 3 4 OUTPUT VOLT 215 0V Figure 3 4 Note Under ECO mode if bypass power falls out of the bypass voltage range and there is no overload the UPS will switch into inverter mode however if there is an overload and bypass power fails or the bypass voltage is beyond the range the UPS will not go into inverter working mode and bypass will be shut off lo
6. C 1 0 Chapter 3 Operation 23 OUTPUT VOLT 220 0V Figure 3 7 Note If the previous shutdown was resulted from termination of battery discharge because of Utility failure the automatic function will be activated when the Utility restores 2 After the system is started up properly apply the load gradually and monitor the load condition through LCD as shown in Figure 3 8 LOAD 70 0 Figure 3 8 3 In the event of load exceeding the rated capacity of the UPS of 105 load the buzzer will beep every 0 5 second with corresponding load percentage indication Remove load accordingly so the UPS is not operating under overload condition Note If the system transfers from Normal mode to Bypass mode for 3 times within 1 hour due to overload it will remain in Bypass mode for 1 hour and can t transfer back to Normal mode till the overload is removed 2 Start in Battery Mode E1 20010329 C 1 0 24 Chapter 3 Operation 1 Press and hold the ON SILENCE button for about 1 second after a beep and system self test the battery indicator and inverter indicator turns green as shown in Fig 3 9 and the buzzer beeps every 3 seconds indicating the UPS is operating in Battery mode OUTPUT VOLT 220 0V Figure 3 9 2 Overload process is same with the above Start from the utility power Note If overload occurs when the UPS is on the battery remove part load immediately or the system will shutdown after a short time lapse
7. Constitution of Display Panel 2 Function of display Panel 3 Menu Operation 4 Information LCD displaying Priority Relay Communication Mode Appendix 2 Product Specification Appendix 3 Accessories 26 21 EK 28 28 28 31 35 35 36 39 42 43 46 49 6 Chapter 1 Product Introduction Chapter 1 Introduction 1 1 Application GXT2 3X1 Series UPS provides high quality AC power to your precision instrument It can be applied in Computer Center Network Management Center Communication System Automation Control System precision instrument or other Critical Systems 1 2 Classification GXT2 3X1 Series include 10kVA 15kVA and 20kVA UPS products shown in the following table Capacity 10kVA 15kVA 20kVA Model GXT2 3X1 0100L GXT2 3X1 0150L GXT2 3X1 0200L Description Extended Battery Extended Battery Extended Battery Cabinet is required Cabinet is required Cabinet is required 1 3 System Function Block System can run with as a single UPS or in Hot standby mode to increase the system reliability Refer to figure 1 2 Maintenance bypass IE ea Short circuit cable bypass breaker bypass for hot getu de Electronic Utility 7 Rectifier Pliner gt Transfer load Utility Switch Switch Maintenance switch Battery Batte Group1 Grou De Figure 1 1 single UPS module E1 20010329 C 1 0 Chapter 1 Product Introduction 7 Maintenance bypass
8. GND for signal Pin GND for signal Other Pin No wire connection Dry Contact Communication Mode can perform the following functions B When the Utility fails the Utility failure information is provided E When the battery capacity is going to be used up battery low information will be provided E Control the shutdown of UPS Relay Communication Mode Port Definition 12 8 4 516 7 8 9 10 11 12 13 14 15 ALARM FAULT BYPASS BATT BOW SHUTDOWN Signal alarm Output signal summary alarm non shutdown alarms only failure Output signal UPS fail will shutdown or transfer to bypass Output signal power supplying mode battery low Output signal battery mode input signal UPS shutdown command E1 20010329 C 1 0 38 Appendix 2 Communication Port Description Connection alarm Signal Pin 1 2 3 normally open common normally close failure Signal Pin 4 5 6 normally open common normally close Bypass mode signal Pin 7 8 9 normally open common normally close battery low Signal Pin 10 11 12 normally open common normally close Shutdown Signal Pin 14 15th Pin short circuited normally UPS shutdown when open circuit Connection of relays alarm Signal Relay In normal state Pin 2 3 are short circuited Pin 1 2 pins are short circuited when alarm is activated failure Signal Relay In normal state Pin 5 6 are s
9. discharge time exceeding 24 hours is must be avoided E When the UPS hasn t been used for a long time and the battery hasn t been charged for 3 months at specified ambient temperature or 2 months at high ambient temperature please charge it for at least 12 hours E As to external battery of long backup time UPS the wiring terminals of the external battery must be checked regularly and when necessary should be cleaned If the battery backup time is found noticeably shortened or when the UPS LCD displays BATTERY FAIL please contact the Liebert or its authoriged agent to confirm whether the battery needs to be replaced Before replacement please make sure that the specifications of the new batteries are correct E1 20010329 C 1 0 28 Chapter 4 Maintenance and Storage Notice 1 Never short circuit the battery terminals which may result in fire 2 Never open the battery as the electrolyte is harmful to human body In the event of inadvertent contact of electrolyte immediately rinse it off with water and go to hospital for treatment II Keep Air Vent Unblocked 1 Regularly clean the system especially the air inlet and air outlet Make sure the air flows freely inside the chassis Use vacuum cleaner for cleaning when necessary 2 Check the air vents on the front rear and side panels make sure they are not obstructed III UPS State Check 1 Check whether the UPS is faulty is the fault indicator ON Is faul
10. on Front Panel Utility Switch Bypass Switch Maintenance Switch Figure 2 2 Front view without panel Utility Battery 4 7 Inverter Fault A N Sl a E Bypass On Silence Key Se Se LCD Display a Off Key Enter Key Scroll Key Figure 2 3 LCD display Panel E1 20010329 C 1 0 Chapter 2 Installation 11 contact closure port Alarm Relay Port Ventilation holes Input Output Terminals block Figure 2 4 rear panel 2 2 2 Front Panel Parts Function Description Input Switch Used for controlling the utility input to UPS 10kVA UPS uses three pole 63A 250VAC breaker 15 20kVA UPS uses three pole 100A 250VAC breaker Bypass Switch Used for controlling the bypass input to UPS 10kVA UPS uses 80A 250VAC circuit breaker 15 20kVA UPS uses 125A 250VAC circuit breaker Maintenance For switching UPS to maintenance bypass switch Note To be operated by trained technical Personnel only Front Panel air for ventilation of UPS inlet hole LCD Panel and Description is in Appendix 1 in detail 2 2 3 Rear Panel Parts Function Description Input output Used for UPS input output cable connection and terminals external battery connection for UPS Contact closure port Provide Optical Coupler Dry Contact control signal for OS and UPS shutdown Alarm relay port bProvide relay Dry Contact alarm control signal E1 20010329 C 1 0 12 Chapter 2 Installation
11. setup gt Enable E OS rd OO e E Back to Main Menu 4 EO ES o E O g wy O 3 S 3 g 5 8 ret 5 eB S Present Second 7 5 Alarm w 2 lt 5 g zu S B EG z gt Present Second SE Alarm A Appendix Figure 1 2 Keypad Operation 1 first level menu Pressing the scroll key can switch between failure lookup operating parameters and function setup Press the enter key to enter the menus of operating parameters failure lookup or function setup Note You can only enter function setup menu by pressing the enter key for at least 5 seconds 2 second level menu A After entering operating parameters menu operating parameters information can be viewed when the screen displays Return to main menu press enter key to return to main menu E1 20010329 C 1 0 36 Chapter 1 Product Introduction B After entering function setup menu function information which can be setup can be viewed and set by pressing the scroll key when the screen displays Return to main menu press enter key to return the main menu of operating parameters C After entering function setup menu the parameters whose value is to be modified are displayed in reverse contrast text mode and the parameters values can be changed by pressing the scroll key save the parameters which have already been modified by pressing the enter key and the parameters value will be store
12. 0kVA Model GXT2 3X1 GXT2 3X1 GXT2 3X1 0200L 0100L 0150L Environment Condition E1 20010329 C 1 0 42 Appendix 4 Accessories Appendix 3 Accessories Optional Product name Product Model Remark battery cabinet UF B0100 38 20 38Ah batteries UE B0100 65 20 65Ah batteries UF B0100 100 20 100Ah batteries E1 669001 20010230 C 1 0
13. 8 Chapter 2 Installation GOTI Backup UPS Master UPS Output neutral line of Backup UPS is connected to the N terminal of Master s bypass Output phase line of Backup UPS is connected to the L terminal of Master s bypass Output GND in Parallel Input GND in Parallel Input Neutral line in Parallel Input U phese line in Parallel Input V phase line in Parallel Input W phase line in parallel uly eynEN ynduy aul seyd A TZI su aseyd A ITS eur seyd undu GND ndno aul aseyd yndjno aut jenen NANO Figure 2 11 b Wire connection for 15 20kVA Master slave hot standby UPS Please refer to section 2 3 2 Installation Procedures item 3 for wire connection requirement for 15 20kVA Master slave hot standby UPS Note Confirm the right connection of hot line and neutral line and proper earthing For hot standby UPS the batteries of master UPS and slave UPS must be connected separately E1 20010329 C 1 0 Chapter 3 Operation 19 Chapter 3 Operation 3 1 Operating Mode 3 1 1 Normal Mode When the input Utility voltage and the load are within specifications the load is supplied by inverter which draws power from rectifier meanwhile the charger float charges or equalize charges the battery When in Normal mode the Utility indicator and inverter indicator on the LCD panel be green in colour as shown in Fig 3 1 v 0 OUTPUT VOLT 220 0V LA Figure 3 1 Note If the UPS is pow
14. C Wait for 10 minutes for the UPS cools down then restart it Restart the UPS after confirming that load short circuit does not exist The UPS needs maintenance please contact the Liebert or its authoriged agent immediately Turn off the UPS and cut off the power input immediately contact Liebert or its anthoriged agent for assistance When reporting UPS please provide the machine model and machine serial No the bar code on the rear panel of the UPS E1 20010329 C 1 0 Chapter 6 Service afterSales 31 Appendix 1 LCD Panel Displays and Operation LCD display interface is formed by LCD LED and keys see Appendix Figure 1 1 it mainly finish the displaying and control of the following information UPS basic parameter information operating parameters information alarm information failure code information and function setup information Utility indicator green Battery indicator green BT d Inverter indicator green Fault indicator red ur rr Tr TE Tu Bypass indicator green Silence Key melee rr A LCD Display Panel Beda DE ona E _ Scroll Key miar Key Appendix Figure 1 1 LCD Panel 1 Constitution of Display Panel The Panel is formed by 1 group LED indicator 1 LCD screer and 4 keys 1 LED indicators are formed by 4 green lights and 1 red light 2 LCD can display double row Chinese information or 4 row English information 3 The keys are On Silence key Off key scroll ke
15. GXT2 3X1 Intelligent High Frequency Online UPS 10 15 20kKVA USER MANUAL E1 20010329 C 1 0 oO Liebert Corporation IMPORTANT INSTRUCTIONS FOR SAFE USE The UPS must be commissioned by a Liebert approved engineer before it is put into service Failure to observe this condition will invalidate any implied warranty Do not apply power to this equipment before it has been commissioned by a Liebert approved engineer He will validate the installation work and install site information into the micro controller memory This information is required to substantiate any warranty claims that might be made If you find any problems with the procedures in this manual seek immediate assistance from the Liebert distributor or agent from whom you purchased the equipment Do not attempt to service this product yourself I contains no user serviceable parts All servicing must be referred to qualified personnel Qualified personnel should be consulted if liquid spills into the product The UPS is for indoor use only It must be protected from rain or excessive moisture and installed in clean environment free from flammable liquids gasses or corrosive substances Do not put drinks plants or any other containers holding liquids on top of the unit Ventilation grills are provided beneath and at the rear of the cabinet Do not block or cover these openings otherwise overheating may occur and UPS operation become unreliable
16. Never poke anything through the ventilation holes or openings Do not place magnetic storage media on top of the unit as it can corrupt the data stored on them Electromagnetic Compatibility WARNING This is a Class A UPS product In a domestic environment this product may cause radio interference in which case the user may be required to take additional measures Limits on use WARNING This UPS should not be supplied from electrical power systems of the IT Impedance a Terre type IEC 364 ELECTRICAL INSTALLATION OF BUILDINGS Content Chapter 1 Introduction 1 1 Application 1 3 System Function Block 1 4 Features Chapter 2 Installation 2 1 Unpacking Inspection 2 2 Outline and Panel Description 2 2 1 Outline 2 2 2 Front Panel 2 2 3 Rear Panel 2 3 Installation 2 3 1 Important Note 2 3 2 Installation Procedure 2 4 Connection of External Batteries Chapter 3 Operation 3 1 Operating Mode 3 1 1 Normal Mode 3 1 2 Bypass Mode 3 1 3 Battery Mode 3 1 4 ECO Mode 3 1 5 Failure Mode 3 2 Operation 3 2 1 Startup and Initialization 3 2 2 Turn On the Inverter 3 2 3 Manual Battery Self testing 3 2 4 Turn off the Inverter 3 2 5 Totally Shutdown the System a N pa bea 3 2 6 LCD Panel Operation Chapter 4 Maintenance and Storage Battery Maintenance Il Keep Air Vent Unblocked lll UPS State Check IV Function Inspection Chapter 5 Troubleshooting Appendix 1 LCD Panel Displays and Operation 1
17. ad will be disrupted 3 1 5 Failure Mode In the event of inverter fault internal overtemperature or other faults in Normal mode the UPS transfers to Bypass mode however if this occurs in Battery mode the UPS shuts down In the event of UPS fault the fault indicator on the LCD panel turns red as shown in Fig 3 4 Meanwhile the buzzer beeps except battery and charger fault and the LCD screen displays corresponding fault information see Appendix 1 E1 20010329 C 1 0 22 Chapter 3 Operation OUTPUT VOLT 215 OW Figure 3 5 3 2 Operation 3 2 1 Startup and Initialization After checking and making sure that the input and output cables are connected correctly turn on the Utility switch and the bypass switch for long backup time UPS turn on the battery switch before closing the Utility switch Then the system starts up the internal fan begins to run and the system begins to conduct self test After system self test the buzzer beeps twice indicating normal startup the system enters in Bypass mode the Utility indicator and bypass indicator turns green as shown in 3 6 OUTPUT VOLT 215 0V Figure 3 6 3 2 2 Turn On the Inverter 1 Start in Normal Mode 1 After system power on press and hold the ON SILENCE button for 1 second then a beep is heard Several seconds later the bypass indicator goes off and the inverter indicator turns ON as shown in Fig 3 7 the UPS is then operating in Normal mode E1 20010329
18. d and the value display will switch from reverse contrast to normal text mode Note When the equipment s address is changed the charging between 3 bit digits are done through auto shifting when no key is pressed for 3 seconds D When it is in alarm state alarm information can be viewed by pressing the scroll key When the screen displays Return to main menu press the enter key to return operating parameters main menu 4 Information LCD displaying Priority 1 LCD will display present alarm information of the highest priority if no key is pressed in 30 second 2 LCD displaying information will not be changed when there is no alarm the LCD will display level 2 sub menu such as Output current when no key is pressed On the contrary if the LCD isn t displaying the level 2 sub menu information and no key is pressed in 30 second it will return to the state to display Output voltage xxx E1 20010230 C 1 0 Appendix 2 Communication Port Description 37 Dry Contact Communication Mode Port Definition Nc 1 Gr 6 OFF Utility Fail 2 3 GND NC 8 418 NC GND 9 NC Battery Undervolt 5 Pin2 When the Utility fails this pin will change from OPEN to CLOSE itis OPEN in normal state Pin5 When the battery voltage is low this pin will change from OPEN to CLOSE it is OPEN in normal state Pin6 When 5V voltage has been applied for 1 second the UPS will shutdown Pin4
19. e circuit breaker Figure 2 5 a right cable connection E1 20010329 C 1 0 Chapter 2 Installation 13 Input hot output hot U line line Va W Input neutral output line neutral line NE Figure 2 5 b wrong cable connection Warning Classified according to European standard EN55022 this is an A level UPS product When it is used in family house it may generate radio interference user should take other measures in this condition 2 3 2 Installation Procedure 1 Prior to any wire connection please confirm that all the input and output circuit breakers are in OFF state 2 As shown in Figure 2 6 connect the input cables three hot lines neutral line and earth line to the correspondent terminals and secure the screw Note Please do not reverse connection of the input hot line and neutral line Because the input default configuration of system s U phase is bypass input please ensure the proper connection of U phase Please don t use the power source socket on the wall as the UPS input source 3 Connect the input cables hot lines neutral line and earth line of user s equipment to the correspondent UPS output terminals refer figure 2 6 Note When connecting the input and output cables the input hot line and neutral line must be connected correctly and the UPS must be connected to earth firmly E1 20010329 C 1 0 14 Chapter 2 Installation zz L1 BL BN Bat
20. er by generator set please follow the requirements below 1 Start up the generator set first without switching on the loads connect the UPS to the generator then switch on the loads one by one till the generator operates stably to ensure reliable operation of the generator it is recommended that the UPS load be less than 30 of generator capacity 2 It is recommended that the generator capacity be 1 5 2 times of UPS rated capacity 3 1 2 Bypass Mode When utility is present and UPS is not turned on or in the event of overload or other faults after the UPS is turned on the load is supplied by Bypass AC source which feeds directly from the Utility input and meanwhile the charger will charge the battery When in Bypass mode the bypass indicator on the LCD panel turns green as shown in Fig 3 2 Please note In the event of bypass power failure or bypass voltage falling outside tolerance when the UPS is in Bypass mode the UPS will cease to supply electricity to the load E1 20010329 C 1 0 20 Chapter 3 Operation OUTPUT VOLT 215 0V Figure 3 2 Note Under this mode if the bypass power fails or bypass voltage exceed the bypass voltage windows the UPS will not provide power to the load 3 1 3 Battery Mode When the UPS is in Normal mode in the event of Utility failure or Utility voltage outside tolerances the rectifier and charger will turn off the battery begins to discharge and supply the load through inverter
21. failure code before the last UPS shutdown at power off 5 Configuration Settings Chinese English menu setup OPERATING MODE setup BOOST CHG SET TEMP COMP SET BATT CAP SET M S setup M S cycle time set up equipment address setup frequency tracking range setup 1 Chinese English menu settings includes Chinese gt English gt No A 2 working mode settings includes E Normal Mode ECO Mode No E1 20010230 C 1 0 Chapter 6 Service after Sales 33 3 equalize function settings includes a Enable gt Disablet No change 4 temperature Compensation settings includes a Enable gt Disable No change 5 Battery Capacity setup means the Ah of batteries used by UPS for example The battery capacity in two battery groups each group contains 20 batteries is all 100Ah so the battery Capacity should be set up as 100Ah includes 24Ah 28Ah 38Ah 52Ah 65Ah 76Ah No change f 84Ah 500Ah 400Ah 300Ah 200Af IOA 100Ah 6 Master Slave Single setup includes Master Slave Single UPS No modification of the settings Master gt Slave Single Ups gt No change 7 The master slave alternated time can only be set up forthe master so as to decide the alternated time with the slave E 7 days gt 30 days 90 days 180 days gt No shift No bei E1 20010329 C 1 0 34 Chapter 1 Product Introduction 8 The equipment address setu
22. g the UPS has transferred to Bypass mode OUTPUT VOLT 215 0V 0 0 Figure 3 11 2 When the system has no Utility input in Battery mode press and hold the OFF button for about 1 second then a beep is heard the UPS will have no output and the LCD screen displays UPS SHUTDOWN About 30 seconds later all panel indicators go off and the fan stops running 3 2 5 Totally Shutdown the System After turning off the inverter turn the Utility switch and the bypass switch to OFF all panel indicators go off and the fan stops running if there is a battery a delay time of 30 seconds is needed before the fan stops Then the system is completely powered off If the UPS is connected to external battery place the switch of the external battery to OFF After system power off the UPS will have no output to supply the load 3 2 6 LCD Panel Operation For LCD Panel Operation please refer to Appendix 1 E1 20010329 C 1 0 Chapter 4 Maintenance and Storage 27 Chapter 4 Maintenance and Storage I Battery Maintenance The internal battery of GXT2 3X1 series UPS is sealed lead acid maintenance free battery The battery life depends on the ambient temperature charge and discharge cycles High ambient temperature and deep discharge can shorten battery life To ensure battery life the battery should be maintained regularly E Keep the ambient temperature between 15 C and 25 C HM Prevent small current discharge continuous battery
23. gure 2 10 E1 20010329 C 1 0 16 Chapter 2 Installation E b NS d QQ 27 Battery 1 d Kra EZE Si So Ee III SI m Figure 2 10 connection of external batteries 5 Turn the switch on the battery cabinet to ON position Note The battery connection and replacement should be done when the UPS is Completely switched OFF if batteries are replaced while UPS is ON hot swappable pay attention not to reverse battery polarity 2 5 Wire Connection for Hot Standby UPS 1 Confirm the input circuit breakers of the master UPS and slave UPS are in OFF state 2 Remove the short circuit cable used for hot standby of the master UPS the short circuit cable between hot standby L1 terminal and B_L terminal 3 Connect the wires according to Figure 2 11 E1 20010329 C 1 0 Chapter 2 Installation 17 Backup UPS Master UPS Output neutral line of Backup UPS is connected to the N terminal of Master s bypass NY Output phase line of Backup UPS is connected to the L terminal of Master s bypass N U V W L N N U Vv W L N Output GND in Parallel Input GND in Parallel Input Neutral line in Parallel Input U phese line in Parallel Input V phase line in Parallel Input W phase line in parallel AN9 indy Suek ndul SUI aseyd A Induj SUI aseyd ADI aul eseyd Am au aseyd ndn au jenen NANO GNS Ndo Figure 2 11 a Wire connection for 10kVA Master slave hot standby UPS E1 20010329 C 1 0 1
24. he UPS is operating in Battery mode please note the battery backup time Disconnect some loads from the UPS A Check whether the external battery switch is turned on and its lead is properly connected B Check whether the battery is reversely connected C Contact the distributor for battery replacement Contact the Liebert or its authoriged agent for charger replacement maintenanc e 30 Chapter 5 Handling Abnormal Problem Sequence Phenomena No Description The UPS has reduced battery time The buzzer beeps the fault indicator shines and the LCD displays TEMP OVER The buzzer beeps the fault indicator is on and the LCD displays OUTPUT SHORT The buzzer beeps the fault indicator shines and the LCD displays RECTIFIER FAIL INVERTER FAIL AUX SUPPLY FAIL or OUTPUT FAIL 13 Abnormal noise or smell inside the UPS Cause A The battery is not fully charged B The battery is not able to hold a full charge due to age Internal overtemperature UPS output short circuit UPS internal fault UPS internal fault Action A Allow the battery to charge for more than 8 hours when the Utility is normal and then re test the discharge time B The battery needs replacement please contact the Liebert or its authoriged agent A Check whether there is air flowing out from inside B Remove the objects blocking the vent or widen the distance from the wall
25. hort circuited No 4 5 pins are short circuited when signal is activated Bypass mode Signal Relay In normal state Pin 8 9 are short circuited Pin 7 8 are short circuited when signal is activated battery low Signal Relay In normal state Pin 11 12 are short circuited_ Pin 10 11 are short circuited when signal is activated Shutdown Signal Relay Invalid when pin 14 15 are open circuit UPS will shutdown Relay Contact Capacity 250VAC 2A or 30VDC 2A E1 20010329 C 1 0 Appendix 3 Product Specification 39 Appendix 2 Product Specification 10kVA 20kVA Input Mode GXT2 3X1 GXT2 3X1 0200L 0100L Three phase four line input rated voltage voltage range 400 Vac line to line 1 If the Phase to neutral voltage is in the range of 176 276Vac the UPS can work normally with full load 2 If the phase voltage is in the range of 120 176Vac the ability of the UPS to supply the load will decrease linearly with the decreasing of the input voltage it can work with half load when the voltage is 120Vac 3 Working under Phase failure condition 1 if one Phase failure the other two phases are normal the UPS can supply 50 rated load at most 2 ifinput two phases failure the other one phase is normal the UPS can supply 25 rated load at most Frequency 45 55Hz Power Factor 20 95 Atrated load and rated voltage Output Power Factor 0 7 Voltage 230Vac 3 Line regulation Load e
26. n No panel display and system self test when the Utility switch is in the ON position The Utility is normal but the Utility indicator does not turn to and the UPS operates in Battery mode Sequence No No alarm is given but there is no voltage output No panel display and system self test when the Utility switch is in the ON position The Utility indicator flashes The buzzer beeps every 0 5 second and the LCD displays OVERLOAD The fault indicator is on and the LCD displays BATTERY FAIL The fault indicator is on and the LCD displays CHARGER FAIL A Utility hasn t been introduced into the system B Input undervoltage A The input switch is turned off B The input power line is not properly connected The output power line is not properly connected A Utility hasn t been introduced into the system B Input undervoltage The Utility voltage is outside tolerances Overload A The external battery switch is turned off or its lead is not properly connected B Battery reverse connection C Battery damaged Charger fault E1 20010329 C 1 0 Use voltmeter to check whether the input Utility voltage is within tolerances A Turn on the input switch B Make sure that the input power line is properly connected Make sure that the output power line is properly connected Use voltmeter to check whether the input Utility voltage is within tolerances If t
27. ne input V or W phase lines and battery lines should be 5AWG or 16mm copper wire at least 4 For external battery connection please refer to the procedures of external battery cables connection please refer to figure 2 4 5 To connect the UPS to servers for OS shutdown please connect server s serial port to the contact closure port at the rear of the UPS Follow installation procedure of OS shutdown software Liebert s multiLink for proper installation 2 4 Connection of External Batteries 1 The system needs to be connected with two strings of 240V batteries the switch on the battery cabinet must be in OFF position prior to connecting the batteries Note Batteries of different models and make can not be used together 2 Confirm that the batteries quantity conforms the UPS specification voltage of each group of batteries should be 240 Vdc nominal or around 250 Vdc measured with a volt meter 3 Use a voltage meter to confirm that the voltage across the battery terminals on the UPS Input output terminals block is zero before connecting the battery cable to the UPS 4 According to the wire connection shown in Figure 2 10 connect the positive pole red and negative pole black to the and battery terminals on terminals block respectively and secure the terminals pay attention not to reverse the batteries connection For 15 20kVA UPS it is necessary to use Ferrite T core in the accessories as shown in Fi
28. p can directly change the 3 bit digit which forms the equipment s address the equipment address range is 0 255 9 Frequency tracking range settings includes E 1 2 gt 4 6 10 No En User can select according to the power supply frequency requirement of load 3 Function of Keys On Silence When the UPS is in off state pressing this key for 1 second switch on the inverter When the UPS is in alarm mode pressing this key for 1 second can silence the alarm When the UPS is on with no alarm pressing this key for 4 second can start battery self testing Off When the UPS is on with no alarm pressing this eal key for 1 second will shutdown the inverter Scroll Scroll between different menus of the same level or complete the parameter selection Enter Used in opening the menu confirm and return 3 Menu Operation See Appendix Figure 1 2 Keypad Operation E1 20010230 C 1 0 Chapter 6 Service after Sales 35 Back to Main Menu scroll E EN z 5 A O O a B h N 5 S Output Freq 2 d 5 5 3 mg E b g Lu A Output Volt N E 2 E ren i Back to Main Menu c Ge 2 E ul 0 fe a E 6 2 No change TZ E O gt 8 ic BD Noy KO gt fs 5 Display Present Value im EE 3 GO Temp Compensate setup de 2 JK S Prohibit b a Sa 5 5 3 2 2 Ge 2 3 Sl 8 5 y w E 2 A Display Present Valug Y Sa 2 EC
29. regulation Voltage Distortion Frequency Frequency slew rate Inverter Overload Capability Utility or Battery Bypass Overload Ability lt 1 lt 2 0 100 Linear Load 0 100 Linear Load lt 4 0 100 Linear Load lt 5 0 100 nonlinear Load In normal mode when the Bypass frequency is in the tracking range 50Hz 10 6 4 2 and 1 optional defailure value is 4 the inverter Output will track Bypass frequency when the Bypass frequency is beyond the limit the inverter Output frequency is 50Hz 0 2 in battery mode the inverter Output frequency is 50Hz 0 2 be able to withstand 105 125 rated load for 10min then the UPS transfers to bypass output be able to withstand 125 150 rated load for 1min then the UPS transfers to bypass output When Load Power gt 150 the inverter can work for longer than 200ms then the UPS transfers to bypass output If the load current is in the range of 135 155 rated output current the UPS will be disconnected from the load after 15min If the load current is more than 155 rated current the UPS will be disconnected from the load after 3min if extreme big current occurs in 3min the disconnection time is decided by the release time of bypass breaker Crest Factor 3 1 E1 20010329 C 1 0 40 Appendix 3 Product Specification Bypass Voltage Efficiency in Normal Mode 100 Linear Load Efficiency in battery mode 100 Linear Load
30. t alarm being displayed 2 Is the UPS operating in Bypass mode in normal case the UPS operates in Normal mode if it is operating in Bypass mode please find out the reason for instance operator intervention overload internal fault etc 3 Is the battery discharging when the Utility is normal the battery shouldn t discharge if the UPS is operating in Battery mode please find out the reason for instance Utility failure battery test operator intervention etc IV Function Inspection It is recommended to inspect the UPS functions once half year 1 Press the OFF button check whether the buzzer LED indications and LCD display are normal see Section 3 1 Operation Mode Please do this after confirming that the Utility is normal and data backup has been done 2 Press the ON SILENCE button check again whether the LED indications and LCD display are normal and the UPS transfers to Normal mode 3 When the inverter is in Normal mode the inverter indicator is on press and hold the ON SILENCE button for 4 seconds to start battery test Should any battery problem be found immediately find out the problem and solve it E1 20010329 C 1 0 Chapter 5 Handling Abnormal Problem 29 Chapter 5 Troubleshooting In the event of UPS fault please check and remove the fault immediately following the methods described in the table below If the fault persist please contact Liebert or its authoriged agents Phenomena Descriptio
31. teryl Terminal Sle ceil E SO Battreryl Terminal Hot standby B_L End p Hot standby L1 End Battery2 Terminal Battery2 Terminal Figure 2 6 a 10kVA Input output terminals upper terminals block N U V W LI N Input GND Output GND Input Neutral line Output Neutral line Input U phase line Output phase line Input V phase line Input W phase line Figure 2 6 b 10kVA Input output terminals lower terminals block alee Li BL BN Battery1 Terminal i Hot standby B_N End Batteryl Terminal Hot standby B_L End EO Hot standby L1 End Battery2 Terminal Battery2 Terminal Figure 2 6 c 15 20kVA Input output terminals upper terminals block N TV IL N Input GND Output GND Input Neutral line Output Neutral line Input U phase line Output phase line Input V phase line Input W phase line E1 20010329 C 1 0 Chapter 2 Installation 15 Figure 2 6 d 15 20kVA Input output terminals lower terminals block Note For 10kVA system at least 8AWG or 10mm copper wire should be used for input neutral line input U phase line hot standby L1 terminal B_L terminal B_N terminal and output neutral line and hot line input V or W phase lines and battery lines should be 10AWG or 6mm copper wire at least For 15 20kVA system at least 3AWG or 25mm copper wire should be used for input neutral line input U phase line hot standby L1 terminal B_L terminal B_N terminal and output neutral line and hot li
32. y and Enter key 2 Function of display Panel 1 Displaying information of LED 1 failure indicator red on only when failure is detected 2 The Utility indicator green when the Utility is normal it is on when utility fails the indicator is off when utility is out of range it flashes 3 Inverter indicator green when the inverter is working it is on when it does not work the indicator is off 4 Bypass indicator green when the Bypass is working it is on when it is not activated the indicator is off E1 20010329 C 1 0 32 Chapter 1 Product Introduction 5 Battery indicator green when the battery is discharging itis on when it not discharging the indicator is off 2 Display Information 1 UPS basic parameter information Displays UPS Model and present on off state 2 operating parameters information OUTPUT VOLT OUTPUT FREQ OUTPUT CURRENT LOAD INPUT VOLTAGE U INPUT VOLTAGE V INPUT VOLTAGE W INPUT FREQ BYPASS VOLT BATTERY VOLTAGE 1 CHARGING VOLT1 BATTERY VOLTAGE 2 CHARGING VOLT 2 BATT CAPACITY CHARGING FULL CHARGED INTERNAL TEMPERATURE 3 alarm information According to priority from the highest to the lowest UPS SHUTDOWN AUX SUPPLY failure OUTPUT SHORT CIRCUIT INVERTER FAIL RECTIFIER FAIL OVER TEMP OVERLOAD CHARGER FAIL BATTERY FAIL NEUTRAL FAIL I P PHASE FAIL BATTERY LOW shutdown imminent and output SWITCH FAIL 4 failure information Displays the recorded
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